Occurrence of Chrysanthemum stunt viroid in Chrysanthemum in Korea

• Published in: The plant pathology journal Vol. 21; no. 4; pp. 377 - 382
• Main Authors: Chung, B.N. (National Horticultural Research Institute, RDA, Suwon, Republic of Korea), E-mail: chbn7567@rda.go.kr, Lim, J.H. (National Horticultural Research Institute, RDA, Suwon, Republic of Korea), Choi, S.Y. (National Horticultural Research Institute, RDA, Suwon, Republic of Korea), Kim, J.S. (National Horticultural Research Institute, RDA, Suwon, Republic of Korea), Lee, E.J. (National Horticultural Research Institute, RDA, Suwon, Republic of Korea)
• Format: Journal Article
• Language: English
• Published: 한국식물병리학회 01.12.2005
• Subjects: CHRYSANTHEMUM; Chrysanthemum stunt viroid; Dendranthema grandiflorum; infection rate; infection rate; Dendranthema grandiflorum; Chrysanthemum stunt viroid
• ISSN: 1598-2254; 2093-9280
• DOI: 10.5423/PPJ.2005.21.4.377

Infection rate of Chrysanthemum stunt viroid (CSVd) in 64 commercial chrysanthemum cultivars cultivated in Korea ranged from 9.7 to 66.8%. Symptoms on leaves of CSVd-infected chrysanthemum included yellow spots, chlorosis, vein clearing, vein bending and crumpling. CSVd induced flower malformation in 'Scot', color change in 'Sharotte', and color breaking in 'Sharon'. CSVd caused reduction of plant height, leaf size, flower size and the flowers number by 32-50%, 26-35%, 14-36% and 14-75%, respectively. In conclusion, CSVd affected plant height, leaf size and flower quality in chrysanthemum plants.